81218744

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1319}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 156816000

約数和(自身を除く): 75597256

約数列:

[1, 2, 4, 8, 43, 86, 172, 179, 344, 358, 716, 1319, 1432, 2638, 5276, 7697, 10552, 15394, 30788, 56717, 61576, 113434, 226868, 236101, 453736, 472202, 944404, 1888808, 10152343, 20304686, 40609372, 81218744]

約数ペア:

[(1, 81218744), (2, 40609372), (4, 20304686), (8, 10152343), (43, 1888808), (86, 944404), (172, 472202), (179, 453736), (344, 236101), (358, 226868), (716, 113434), (1319, 61576), (1432, 56717), (2638, 30788), (5276, 15394), (7697, 10552)]